AP Chem Aqeuous Solutions

How many moles of BaCl₂ are formed in the neutralization of 393 mL of 0.171 M Ba(OH)₂ with aqueous HCl?

• 1.15 mol

• 0.0672 mol

• 0.0336 mol

• 2.30 mol

How many mL of 0.50 M HNO₃ would be needed to react with 85 mL of 0.75M KOH?

• 130 mL

• 0.13 mL

• 32 mL

• 0.032 mL

18.26 mL of a 1.50M hydrochloric acid reacts with magnesium hydroxide. Calculate the mass of magnesium hydroxide needed for the reaction. 
  Mg(OH)₂  +  2 HCl  ->  2 H₂O + MgCl₂           

• 4.68 g Mg(OH)₂
• 0.789 g Mg(OH)₂
• 0.0274 Mg(OH)₂
• 1.07 g Mg(OH)₂

I am titrating 1M HCl with 1M NaOH.  I have 25mL of HCl. How much NaOH will I need?

• 2.5mL
• 5mL
• 25mL
• 50mL

I have 25mL of 1M HCl which neutralises 20mL of NaOH. What is the concentration of the NaOH?

• 0.8 M
• 1 M
• 1.25 M

A 50.0 mL sample of Ca(OH)₂ is neutralized by 300.0 mL of HCl solution with a pH of 1.3. Calculate the molarity of the Ca(OH)₂ solution.

• 1.0 M
• 0.50 M
• 0.15 M 
• 0.30 M

For the acid-base titration combination of NaOH with 0.79 mol HCl, find the number of moles of NaOH that would be the chemically equivalent amount of HCl.

• 0.79 mol
• 1.6 mol
• 0.38 mol
• 3.2 mol

Calculate the grams of NaOH present in 10.0 mL of a 2.0 M NaOH solution.

• 0.8 grams

• 2000 grams

• 0.3 grams

• 5 grams

Acids have a ______ pH and a _________ pOH

• low, high

• high, low

• An acid will not have a pOH

If the [H+] of a solution is 1 x 10^-2 M the pH is

• 2

• 12

• -2

• 1